The dash cluster is not working no gauges or speed odometer
The worst 2003 Hummer H3 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Electrical2
- Acceleration1
- Visibility1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Electrical2
- Acceleration1
- Visibility1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 2003 Hummer H3 75
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- Unknown or other
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
- This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as...
- This service bulletin provides information for dealers/technicians on Service Programming System (SPS)...
- This Warranty Administration bulletin provides retail and wholesale service personnel with the...
- This bulletin provides information for electrical ground repairs using new General Motors replacement...
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil...
- This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License...
What 2003 Hummer H3 owners say
Most recent owner complaints, unedited.
Heater relay gone 2 times.
Compare the 2003 Hummer H3
Other model years
Questions about the 2003 Hummer H3
Is the 2003 Hummer H3 reliable?
Owners have filed 2 complaints about the 2003 Hummer H3, fewer than a typical H3 model year.
What is the 2003 Hummer H3 year score?
The 2003 Hummer H3 scores 95 out of 100 (good). The score compares it with the other model years of the Hummer H3: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2003 Hummer H3?
Electrical system, with 2 complaints. Next is acceleration (1).
How many recalls does the 2003 Hummer H3 have?
No recalls on record.
What year does the Hummer H3 have the most electrical problems?
The Hummer H3 model years with the most electrical complaints are 2006 (96 complaints), 2007 (76 complaints) and 2008 (34 complaints).
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